149926628 has 6 divisors (see below), whose sum is σ = 262371606. Its totient is φ = 74963312.

The previous prime is 149926613. The next prime is 149926639. The reversal of 149926628 is 826629941.

It can be written as a sum of positive squares in only one way, i.e., 78996544 + 70930084 = 8888^2 + 8422^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18740825 + ... + 18740832.

It is an arithmetic number, because the mean of its divisors is an integer number (43728601).

Almost surely, 2^149926628 is an apocalyptic number.

It is an amenable number.

149926628 is a deficient number, since it is larger than the sum of its proper divisors (112444978).

149926628 is a wasteful number, since it uses less digits than its factorization.

149926628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37481661 (or 37481659 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The square root of 149926628 is about 12244.4529481721. The cubic root of 149926628 is about 531.2426378126.

The spelling of 149926628 in words is "one hundred forty-nine million, nine hundred twenty-six thousand, six hundred twenty-eight".